The nerdy term for MSN ever since it changed to Windows Live Messenger
Bob: ZOMG, MSN IS CALLED WINDOWS LIVE MESSENGER!!!
Billy: Holy crap!
Bob: ZOMG! U HAZ TO DOWNLOADS WLM!
Billy: Say what?!
Bob: STFU n00blet!
Billy: Aw gawd, it isn't compatible with my computer
Bob: LOL! U GOT MAC xD
Short for "Windows Live Messenger" wich is the new name for the former "MSN Messenger" since the uppdate to 8.0.
Are you using WLM or are you still using MSN?
Windows Live Messenger.
"Chat to you on WLM".
Have you got WLM 2009 yet?